QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000zbw
USGS usp0000zbw
14 Mar 1979, 11:07
12 km SSE of Vallecitos de Zaragoza, Mexico
A magnitude 7.6 ms earthquake at 49 km depth.
Published location
Where is 12 km SSE of Vallecitos de Zaragoza, Mexico?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
17.813000, -101.276000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0000zbw
Coordinates
17.813, -101.276
Network
us
Significance
889